<template>
    <div class="login_container">
      <div class="login_box">
        <!--头像区域-->
        <div class="avatar_box">
          <img src="../assets/logo.png" alt="" />
        </div>
        <!--登录表单区-->
        <el-form ref="loginFormRef" :rules="rules" :model="loginForm" class="login_form">
          <!--账号区域-->
          <el-form-item prop="username">
            <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
          </el-form-item>
          <!--密码区域-->
          <el-form-item prop="password">
            <el-input v-model="loginForm.password" type="password" prefix-icon="iconfont icon-3702mima"></el-input>
          </el-form-item>
          <!--按钮区域-->
          <el-form-item class="btn">
            <el-button @click="login()" type="primary">登录</el-button>
            <el-button @click="resetLoginForm" type="info">重置</el-button>
          </el-form-item>
        </el-form>
      </div>
    </div>
</template>

<script>
export default {
  name: 'Login',
  data () {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      // 表单验证
      rules: {
        username: [
          { required: true, message: '用户名不能为空', trigger: 'blur' },
          { min: 3, max: 10, message: '长度3-10之间', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '密码不能为空', trigger: 'blur' },
          { min: 3, max: 10, message: '长度3-10之间', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    // 重置按钮
    resetLoginForm () {
      // console.log(this)
      this.$refs.loginFormRef.resetFields()
    },
    // 登录按钮
    login () {
      this.$refs.loginFormRef.validate(async (valid) => {
        // console.log(valid)
        // console.log(this)
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.loginForm)
        if (res.meta.status !== 200) return this.$message({ showClose: true, message: '登录失败', type: 'error', center: 'true' })
        this.$message({
          type: 'success',
          message: '登录成功',
          showClose: 'true'
        })
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: aquamarine;
  height: 100%;
}
.login_box {
  background-color: #fff;
  width: 450px;
  height: 300px;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);

  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%,-50%);
    background-color: #fff;
    img {
      height: 100%;
      width: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btn {
  display: flex;
  justify-content: end;
}
</style>
